Support for conduit-cables.



E. H. SMITH.

SUPPORT PoR GONDUIT oABLEs.

APPLICATION FILED PEB.24, 1913.

- Patented Nov.25,`1913.

nnrTEDsTATEs PATENT oErroE.

EDWARD H. SMITH, oir-CLEVELAND, oH-Io', AssIGNoR or ONE-HALE To W. H.

HAETMAN, oE CLEVELAND, omo.

SUPPORT FOR CNDUIT-CABLES.

Specification of Letters Patent.

To all whom z't may` concern:

Be it known that I, EDWARD H'. SMITH, a citizen of the United States, and a resident 0f Cleveland, county of Cuyahoga, and State of Ohio, have invented a new and useful Improvement in Supports for Conduit! traction of the same may be cared for without friction o n the cable, and at thesame time to provide the support with means permitting addition of other devices` when desired to take' care of additional cables.y

The present invention is designed to provide for thesetwo objects, and `from the following description it will be readily seen that not only are the cables supported with a minimum of friction upon movement 'of the cables, but also that it is an extremely simple matter to substitute a slightly modiied form of bracket ifv it is necessaryr` t-o support additional cables.

To the accomplishment of these and related ends, said invention,'then, consists of the means hereinafter fully described and Aparticularly pointed out in the claims.

vThe annexed drawing and the'fo-llowing description set forth in detail certain mechanism embodying the invention, such disclosed means constituting, however, but'one of various mechanical forms in which the -principle of the invention maybe used.

In said annexed`drawing:- Figure 1 is a side elevation-of my invention as-attached` y to a wall.; Fig. 2 is a front elevation showing' the construction of the fixed support;

,Figal 3 is a section similar to Fig. 1 and showing `thefsa'me 'supporting means; and Fig. 4 is aview in perspectit'e of. one of these supporting arms or brackets.-

In Fig. 1 there is shown a fixed support 1 attached to wall 2, the fixed supportv conf sistingvpreferably .of a channel section of Patented Nov. 25, 1913.

U-shape whichis directed inwardly toward the wall and secured to the -same by means of lag-bolts 3. The supporting brackets here shown in the form of laterally extending bolts are attached to the fixed support in the mannershown in Figs. 2 and 3, the fixed support being provided with bayonet apertures 4 which consist of an enlarged aperture 5 connecting with a narrower aperture 6 in the usual manner. In this Way removal of the bolts is facilitated, while means are provided for securely retaining the bolts in engagement with the apertures.

Theform of brackets which I preferably use is shown in Fig. 4 and will be seen to consist of a bolt-like member 7A provided at one end with a head 8 and threaded at the other end. Adjacent to the, head 8 is a square portion 9 which isl formed integral with the bolt. The head 8 is of a size adaptking it to enter freely the larger portion 5 of the bayonet slot While the square portion 9 is formed to fit snugly within the narrower portion of the'slot, thusr retaining the bolt against rotation and preventing the disengagement of the head from the fixed support. The heads will be inserted through held by some other external `means. Upon `the sleeve there is rotatably mounted a roller 12 which is adapted to receive the cable, and is of any suitable form for that purpose, such roller being preferably of insulating material such as fiber. The roller is slightly narrower than the length of the sleeve, thus permitting a second -washer 13 to be disposed upon the bolt externally of the sleeve and to force the same against the first-named washer 10, thus drawing the head of the bolt against the inner side of the support without in any VWay cramping or binding the roller 1Q. A nut 14 or similar Ameans will of course be used to force the washer 13 against the lsleevei'n order to draw the bolt head against the inside of the support. When the device isassembled in the manner stated it is impossible for the b olt to Work upwardly through the enlarged portion 5 of the bayonet, slot, this being prevented, not only by the frictional engagement between the head and the support, but also by the weight of the cable upon the roller, as will be readily understood.

'The use of a single roller and the bolt for the same is shown at the top of Figs. l and 3, while beneath the same are shown bolts adapted to receive two and three rollers respectively, and it will be noted that the only diiierence in the construction will be the use of a longer bolt and the use of a plurality of sleeves, each two sleeves being separated by means of a washer. In this way each roller is rotatably mounted upon a single sleeve, and each sleeve will be of a length greater than the width of the roller, thus permitting tree rotation of the rollers and secure clamping of the bolt against the support.

The advantages of the present construction may be readily seen, and arethe simplicity and convenient assembly of the device with ease of removal for the purpose ot substituting` a bracket adapted to receive a greater or less number of rollers. v

Other modes of applying the principle of my invention may be employed instead of the one explained, change being made as regards the mechanism herein disclosed, provided the means stated by any of the following claims or the equivalent of such stated means be employed.

I therefore particularly point out and distinctly claimas my invention l. In, a support for cables and the like, the combination of a fixed support provided with a bayonet slot; a bolt'entering such slot and having a head adapted to prevent removal of said bolt from the narrower portion of such slot; means adapted to secure said lbolt to said support when such head is engaged in the narrower portion of such slot, said means including a sleeve re-l movably mounted on said bolt and adapted to be pressed against said-support opposite such head, thereby drawing the latter into secure frictional engagement with said support; anda roller rotatably mounted onv said sleeve, said roller being narrower than thelength of said sleeve, whereby pressure on the latter doesnot prevent free rotation of said roller.

2. In a support for cables and the like, the combination of a fixed supportprovided with a bayonet slot; a bolt having a head adapted to enter the wider portion of such slot and-to lock behind the narrower portion of the same; a sleeve removably mounted on the extending portion of said bolt and adapted to be 'forced into contact with said support opposite such head;y a nut adjustably engaging said bolt and adapted to force said sleeve against said support, thereby drawing such head into secure frictional engagement with said support; and a roller rotatably mounted on said sleeve, said roller being narrower than the length of said sleeve, whereby pressure on the latter does not prevent' free rotation of said roller.

3. In a support for cables and the like,l the combination of a fixed support provided with a bayonet slot; a bolt having a head adapted to enter the wider portion of the same, and a square portion adjacent such head adapted to snugly enter such narrower portion of such slot; a sleeve removably p mounted on said bolt; a washer disposed at either end of said sleeve on said bolt, one of said washers being adjacent to the face of said support against which said bolthead rests; a nut on said bolt, whereby adjustment of the same against said sleeve forces said bolt-head into secure frictional engagement with said support; and a roller rotatably mountedl on said sleeve, said roller being narrower than the length of said sleeve, whereby pressure on the latter does not prevent free rotation of said roller.

4. In asupport for cablesand'the like, the combination of a fixed support provided with a bayonet slot; a bolt having a head adaptedto enter the wider portion of the same, and a square ortion adjacent such head adapted to snug y enter such narrower portion of such slot; a plurality of sleeves removably mounted on said bolt; washers disposed between and at either end ofsaid sleeves; a nut on said bolt, whereby adjustment of the same against said washers and sleeves clamps said bolt securely to said support; and a roller mounted on each of said sleeves, each said roller bein narrower y than the length of the' correspon ing sleeve. 105

5. In a` support forcables and the like, the combination of a fixed support; a bolt having a head adapted to detachably engage behind said support; means adapted to secure said bolt to said support when so en- 110 gaged, said means including asleeve removably mounted on saidbolt'and adapted to be pressed against said support opposite such head,'thereby drawing the latter into secure friotional engagement with said sup. port; and a roller rotatably mounted on said sleeve, said roller being narrower than the' length of said sleeve, whereby pressure on the latter does not prevent tree rotation. of said roller.

Signed by me, this 13th day of February,

, EDWARD H. SMITH. Attested by- HORACE B. FAY, ANNA L; GILL.- 

